I know some methods to reset bios password. 1. The best and easiest method: Close OS and shut down the electricity power of computer. Then boot to windows, and run HP BIOS ibericadeoficios.com from USB. P, HP S, HP s, HP B, HP B, HP B, HP W. Lost or forgotten HP Pro/Elitebook BIOS Password? @jhayton (above) has offered assistance to members with HP ProBook and EliteBook password issues.